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zakruti.com » Knowledge, science, education » Crash Course
Asteroids: Crash Course Astronomy #20

Asteroids: Crash Course Astronomy #20

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Rating: 4.0; Vote: 1
Now that we-ve finished our tour of the planets, we-re headed back to the asteroid belt. Asteroids are chunks of rock, metal, or both that were once part of smallish planets but were destroyed after collisions. Most orbit the Sun between Mars and Jupiter, but some get near the Earth. The biggest, Ceres is far smaller than the Moon but still big enough to be round and have undergone differentiation. CORRECTION: In the episode we say that 2010 TK7 is 800 km away. However, 2010 TK7 stays on average 150 million kilometers from Earth, but that can vary wildly. Sorry about that!
Date: 2022-04-04

Comments and reviews: 5


The big gap between Mars and Jupiter can be easily explained. Long time ago there was another planet in our solar system between Mars and Jupiter. The name of that planet was Phaeton or Mallona, Mallona means broken planet. Mallona was destroyed in a nuclear war, only the four moons of Mallona survived. You will know everything about Mallona (and more) if you read the books of Jakob Lorber (1800 - 1864) and Leopold Engel (1858 - 1931.
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Whether it's a real thing or not, Bode's Law does a largely good job of describing where you find the orbits of the planets and many of the major dwarf planets, with the notable exception of Neptune. I kinda wonder if Neptune originally formed in the asteroid belt and was later flung out by Jupiter to near the Kuiper Belt, thus leaving the gap that's been taken up by Ceres and messing up the orbit of Pluto. Just a random hypothesis.
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If there-s so many astroids and Ceres is kind of a spherical object, then how come Ceres cant gobble all the other asteroids and make itself a planet? Even if they are far away from each other
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I consider any object smaller than and not including Ceres to bean asteroid, and I also believe that significant moons such as our own and Ganymede should be classified as planets.
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Just a minor bug: the correct astronomer's name was Giuseppe, with an -e-, not Giuseppi with an -i-.
Otherwise it's all pretty interesting and engaging, as always!

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